"Online Records and Indexes" includes links to sites with any or all of the following: digitized images, indexes, transcriptions, extractions, abstracts, and partial or whole copies of census materials. Read each web site's description(s) to determine exactly what the source is for the material you are viewing. Some sites are free and some require a paid subscription.

Transcription for Mercer County, Pennsylvania - 1840 complete - all townships and boroughs including Mahoning, Neshannock and Slippery Rock Townships that later became part of Lawrence County, Pennsylvania.

Transcription of the 1st Dist. of Dekalb Co. TN as taken from the microfilm of the Census Records for the year 1840. Some of the writing was hard to read so there may be errors. As with any transcription, consult the actual microfilm to resolve any discrepancies.

Includes research tips and information about the questions asked in each census. Ancestry.com has searchable indexes; database results and some digitized images are available with a fee-based subscription.

2,566,554 Records. Source: National Archives, Courtesy of FamilySearch.org. Use Archives.com with a FREE 7-day membership and search over 2.1 billion records. Pay-for-use after the seven day free trial.

The Massachusetts 1840 Census of Pensioners for Revolutionary or Military Services with their names, ages, and places of residence, as returned by the marshals of the several Judicial Districts, under the act for taking the sixth census.

1840 Census of Pensioners For Revolutionary or Military Services: With Their Names, Ages, and Places of Residence, as Returned by the Marshals of the Several Judicial Districts, Under the Act for Taking the Sixth Census.